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Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 48 discussion

Exam question from Amazon's AWS Certified Developer - Associate DVA-C02
Question #: 48
Topic #: 1
[All AWS Certified Developer - Associate DVA-C02 Questions]

A developer is creating an AWS Lambda function that needs credentials to connect to an Amazon RDS for MySQL database. An Amazon S3 bucket currently stores the credentials. The developer needs to improve the existing solution by implementing credential rotation and secure storage. The developer also needs to provide integration with the Lambda function.
Which solution should the developer use to store and retrieve the credentials with the LEAST management overhead?

  • A. Store the credentials in AWS Systems Manager Parameter Store. Select the database that the parameter will access. Use the default AWS Key Management Service (AWS KMS) key to encrypt the parameter. Enable automatic rotation for the parameter. Use the parameter from Parameter Store on the Lambda function to connect to the database.
  • B. Encrypt the credentials with the default AWS Key Management Service (AWS KMS) key. Store the credentials as environment variables for the Lambda function. Create a second Lambda function to generate new credentials and to rotate the credentials by updating the environment variables of the first Lambda function. Invoke the second Lambda function by using an Amazon EventBridge rule that runs on a schedule. Update the database to use the new credentials. On the first Lambda function, retrieve the credentials from the environment variables. Decrypt the credentials by using AWS KMS, Connect to the database.
  • C. Store the credentials in AWS Secrets Manager. Set the secret type to Credentials for Amazon RDS database. Select the database that the secret will access. Use the default AWS Key Management Service (AWS KMS) key to encrypt the secret. Enable automatic rotation for the secret. Use the secret from Secrets Manager on the Lambda function to connect to the database.
  • D. Encrypt the credentials by using AWS Key Management Service (AWS KMS). Store the credentials in an Amazon DynamoDB table. Create a second Lambda function to rotate the credentials. Invoke the second Lambda function by using an Amazon EventBridge rule that runs on a schedule. Update the DynamoDB table. Update the database to use the generated credentials. Retrieve the credentials from DynamoDB with the first Lambda function. Connect to the database.
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Suggested Answer: C 🗳️
by Untamables at March 26, 2023, 2:24 a.m.
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Untamables
Highly Voted 2 years, 1 month ago
Selected Answer: C
C https://docs.aws.amazon.com/secretsmanager/latest/userguide/intro.html https://docs.aws.amazon.com/secretsmanager/latest/userguide/create_database_secret.html https://docs.aws.amazon.com/secretsmanager/latest/userguide/retrieving-secrets_lambda.html
upvoted 11 times
jipark
1 year, 8 months ago
"automatic rotation" "cross region" - Security Manager
upvoted 1 times
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mooncake1
Most Recent 3 months ago
Selected Answer: C
A - KMS provides automatic rotation for AWS Managed Keys, but Custom Managed Keys are not provided (needs to implement rotation logic by dev). A did not specify which key the dev should use. ANW : C - SM provides automatic rotation lambda for RDS Param rotation.
upvoted 2 times
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sumanshu
4 months ago
Selected Answer: C
A) Eliminated - automatic credential rotation is limited C) Correct - Secrets Manager is specifically designed for securely storing and retrieving secrets. Automatic rotation of credentials is fully supported
upvoted 1 times
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Saudis
6 months ago
Selected Answer: C
C The keyword automatic rotation for the parameter.
upvoted 1 times
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65703c1
11 months, 1 week ago
Selected Answer: C
C is the correct answer.
upvoted 1 times
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ibratoev
1 year, 1 month ago
C. "credential rotation" = Security Manager
upvoted 2 times
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jayvarma
1 year, 8 months ago
Option C. Keyword: Implementing credential rotation and secure storage.
upvoted 1 times
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Mtho96
1 year, 9 months ago
C This solution minimizes management overhead by leveraging the built-in capabilities of AWS Secrets Manager, such as encryption, automatic rotation, and integration with AWS Lambda. It provides a secure and efficient way to store and retrieve https://docs.aws.amazon.com/secretsmanager/latest/userguide/intro.html https://docs.aws.amazon.com/secretsmanager/latest/userguide/create_database_secret.html https://docs.aws.amazon.com/secretsmanager/latest/userguide/retrieving-secrets_lambda.html
upvoted 2 times
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C (25%)
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